Image from: Nokia E7 vs LG Optimus 2X vs Apple iPhone 4

The Nokia E7, LG Optimus 2X and the Apple iPhone 4 are one of the best and most current representatives of rather different mobile operating systems – Symbian, Android and iOS. It's a long shot to compare the three as they are so different, but it gives us a bird's eye view of how the mobile industry has changed in the last few years...